Generic/EmptyStatementSniff: Allow comments to be considered non-empty

Author: jlherren

src/Standards/Generic/Sniffs/CodeAnalysis/EmptyStatementSniff.php

@@ -30,6 +30,13 @@
 class EmptyStatementSniff implements Sniff
 {
 
+    /**
+     * Empty statements which should not be reported when there is a comment in the body.
+     *
+     * @var string[]
+     */
+    public $allowComment = [];
+
 
     /**
      * Registers the tokens that this sniff wants to listen for.
@@ -75,10 +82,16 @@ public function process(File $phpcsFile, $stackPtr)
             return;
         }
 
+        if (in_array(strtolower($token['content']), $this->allowComment, true) === true) {
+            $skipTokens = T_WHITESPACE;
+        } else {
+            $skipTokens = Tokens::$emptyTokens;
+        }
+
         $next = $phpcsFile->findNext(
-            Tokens::$emptyTokens,
+            $skipTokens,
             ($token['scope_opener'] + 1),
-            ($token['scope_closer'] - 1),
+            $token['scope_closer'],
             true
         );
 

src/Standards/Generic/Tests/CodeAnalysis/EmptyStatementUnitTest.inc

@@ -72,3 +72,21 @@ try {
 if (true) {} elseif (false) {}
 
 match($foo) {};
+
+// phpcs:set Generic.CodeAnalysis.EmptyStatement allowComment[] elseif,catch
+
+if ($foo) {
+    // Should complain here
+} elseif ($bar) {
+    // Should not complain here
+} else {
+    // Should complain here
+}
+
+TRY {
+    // Should complain here
+} CATCH (Exception $exception) {
+    // Should not complain here
+}
+
+// phpcs:set Generic.CodeAnalysis.EmptyStatement allowComment[]

src/Standards/Generic/Tests/CodeAnalysis/EmptyStatementUnitTest.php

@@ -40,6 +40,9 @@ public function getErrorList()
             68 => 1,
             72 => 2,
             74 => 1,
+            78 => 1,
+            82 => 1,
+            86 => 1,
         ];
 
     }//end getErrorList()